- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT02074449
Study Of Right Ventricular Performance In PAH Patients Treated With Rapid Dose Treprostinil (Remodulin) (ISS)
Comprehensive Characterization Of Right Ventricular Performance And Afterload In Patients With Pulmonary Arterial Hypertension Undergoing Initiation And Rapid Dose Escalation Of Treprostinil
Patients with pulmonary arterial hypertension (PAH) are at much higher risk of death if the RV (right ventricle) is weak. The purpose of this study is to get a better understanding of the factors that determine RV adaptation and how the RV compensates on therapy. The investigator is also interested in how Remodulin (treprostinil) infused over a short period (approximately 48-72 hours) affects the patient's quality of life, medical care, and personal health behaviors.
Treprostinil, also known as Remodulin, has been approved by the US Food and Drug Administration for use in the treatment of PAH. The investigator has been treating patients with Remodulin by rapid infusion (over 48 hours) for over 6 years. The investigator would like to establish this practice as safe and effective for the benefit of other centers that treat PAH.
Studieoversigt
Status
Betingelser
Undersøgelsestype
Tilmelding (Faktiske)
Kontakter og lokationer
Studiesteder
-
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Arizona
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Tucson, Arizona, Forenede Stater, 85724
- University of Arizona
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Patients with clinically suspected World Health Organization (WHO) group I PAH
- Patients with New York Heart Association/WHO functional class II-IV
- Patients with mean pulmonary artery pressure >25 mmHg, pulmonary capillary wedge pressure </=15 mmHg, and pulmonary vascular resistance >3 wood units
- Age >18 and <80
- No evidence of active ischemic heart disease
Exclusion Criteria:
- Left ventricular ejection fraction <50%
- Patients with significant restrictive lung disease (FVC <60% predicted) and/or significant obstructive lung disease (FEV1 <55% predicted) within 1 year of enrollment if pulmonary function testing is available
- Patients with significant, investigator-determined parenchymal lung disease on chest x-ray or CT of the chest
- History of pulmonary embolism within the last three months or chronic pulmonary embolism
- Poorly interpretable grey scale echocardiographic images
- Contraindications to right heart catheterization
- Moderate-severe aortic and mitral valve abnormality
- Active or previous use of pulmonary vasoactive medication within the previous 12 weeks
- Renal failure with serum creatinine clearance <30 ml/hr
- High-probability ventilation-perfusion scan
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Observationsmodeller: Kun etui
- Tidsperspektiver: Fremadrettet
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
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Measurement of change in RV coupling index on treprostinil between baseline, titration at 48-72 hours, and 3 months.
Tidsramme: 3 months
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3 months
|
Samarbejdspartnere og efterforskere
Sponsor
Samarbejdspartnere
Efterforskere
- Ledende efterforsker: Franz Rischard, D.O., University of Arizona
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- ISS
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